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Arminak & Assoicates (Tables)
3 Months Ended
Mar. 31, 2013
Business Combinations [Abstract]  
Redeemable Noncontrolling Interest
 
 
Three months ended
March 31, 2013
 
 
(dollars in thousands)
Beginning balance, December 31, 2012
 
$
26,780

Distributions to noncontrolling interests
 
(550
)
Net income attributable to noncontrolling interests
 
860

Ending balance, March 31, 2013
 
$
27,090